The beautiful girl ________a hair dresser for a year is a manager now.
| A．served | B．served as |
| C．serving | D．who served as |
There are several research centers in China ________ a certain disease called Bird Flu is being studied.
| A．which | B．where | C．when | D．what |
The treatment will continue until the patient reaches the point ________ he can walk correctly and safely.
| A．when | B．where | C．which | D．whose |
October 15 th is my birthday, ________ I will never forget.
| A．when | B．that | C．what | D．which |
—How did you get in touch with the travel agent, Robin?
—Oh, that’s easy. I surfed the Internet and then called one ________ the telephone
number is provided.
| A．which | B．in which | C．of which | D．whose |
The artist will not paint people or animals but he will paint anything ________ .
| A．that the little girl asks him | B．the little girl asks him to |
| C．for the little girl to ask him | D．what the little girl asks him |